
1) Hotspot volcano 2) volcano in Chile
Found on
https://www.crosswordclues.com/clue/pukao

Pukao are the hats or topknots formerly placed on top of some moai statues on Easter Island. They were all carved from a very light red volcanic stone scoria, which was quarried from a single source at Puna Pau. Pukao are cylindrical in shape with a dent on the underside to fit on the head of the moai and a boss or knot on top. They fitted onto th...
Found on
http://en.wikipedia.org/wiki/Pukao
[seamount] The Pukao Seamount is a submarine volcano, the most westerly in the Easter Seamount Chain or Sala y Gómez ridge. To the east are Moai (seamount) and then Easter Island. It rises over 2,500 metres from the ocean floor to within a few hundred metres of the sea surface. The Pukao Seamount is fairly young, and believed to have devel...
Found on
http://en.wikipedia.org/wiki/Pukao_(seamount)

(from the article `Easter Island`) ...constructed within the ahus in the middle period. The sizes of the statues made were increased until they reached stupendous dimensions; the slim ...
Found on
http://www.britannica.com/eb/a-z/p/131
No exact match found.